package main

import (
	"fmt"
	"strings"

	"github.com/fatih/color"

	"git.milar.in/milarin/slices"
	"git.milar.in/milarin/tprint"
	"git.milar.in/nyaanime/model"
)

var (
	BoldText = color.New(color.Bold)
)

func ShowDebugInfo(
	parsedTorrentsByAnimeEp, animeListTorrents, essentialTorrents map[model.AnimeEpisode][]*model.ParsedTorrent,
	preferredTorrents map[model.AnimeEpisode]*TorrentPriority,
	downloadingEpisodes map[model.AnimeEpisode]struct{},
	inCollectionEpisodes map[model.AnimeEpisode]bool,
	collectionPreferredTorrents map[*model.ParsedTorrent]bool,
	downloadedTorrents map[model.AnimeEpisode]*TorrentPriority) {

	for animeEp, parsedTorrents := range parsedTorrentsByAnimeEp {
		table := tprint.NewTable("id", "resolution", "languages", "subtitles", "seeders", "leechers", "downloads", "trusted", "group", "evaluation")

		for _, torrent := range parsedTorrents {
			eval := getEvaluation(
				slices.Contains(essentialTorrents[animeEp], torrent),
				preferredTorrents[animeEp] != nil && preferredTorrents[animeEp].ParsedTorrent == torrent,
				collectionPreferredTorrents[torrent],
				downloadedTorrents[animeEp] != nil && downloadedTorrents[animeEp].ParsedTorrent == torrent,
			)

			table.AddRow(
				torrent.Torrent.ID,
				torrent.Resolution,
				strings.Join(torrent.Languages, ", "),
				strings.Join(torrent.Subtitles, ", "),
				torrent.Torrent.Seeders,
				torrent.Torrent.Leechers,
				torrent.Torrent.Downloads,
				torrent.Torrent.Trusted,
				torrent.Parser.Identity,
				eval,
			)
		}

		var epState string

		if _, onList := animeListTorrents[animeEp]; onList {
			if _, downloading := downloadingEpisodes[animeEp]; downloading {
				epState = color.BlueString("CURRENTLY DOWNLOADING")
			} else if inCollectionEpisodes[animeEp] {
				epState = color.GreenString("IN COLLECTION")
			} else {
				epState = color.YellowString("ON LIST")
			}
		} else {
			epState = color.RedString("NOT ON LIST")
		}

		b := new(strings.Builder)
		if err := DebugAnimeEpisodePattern.Execute(b, animeEp); err != nil {
			panic(err)
		}
		header := BoldText.Sprintf("%s (%s)", color.MagentaString(b.String()), epState)
		fmt.Println(tprint.FormatHeaderTable(header, table))
	}
}

func getEvaluation(essential, preferred, collectionPreferred, downloaded bool) string {
	if downloaded {
		return color.GreenString("DOWNLOAD STARTED")
	} else if collectionPreferred {
		return color.GreenString("collection preferred")
	} else if preferred {
		return color.BlueString("torrent preferred")
	} else if essential {
		return color.YellowString("torrent considered")
	} else {
		return color.RedString("torrent ignored")
	}
}